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make stone(-like) objects with aid of 3d printers?

Posted by e154228 
make stone(-like) objects with aid of 3d printers?
February 10, 2014 02:51PM
A friend was talking wit me today and he said how rock dust is selling dirty cheap in thsi country. I asked him what do people buy that for and he said hes heard how people use some gluing material to make sculptures from them.
Is he right or does he just assume too much?


But this got me thinking, can I make a mold and then put that "rock dust + whatever glue" substance in it and get a mini sculpture that seems to be made from rock?
Maybe there is already a filament with that mix in it?
That would be so cool.
Re: make stone(-like) objects with aid of 3d printers?
February 10, 2014 02:55PM
[reprap.org]

As for casting, you can mix resin (2 part urethane or epoxy, avoid polyester) and cast it into a mold.

[en.wikipedia.org]
A2
Re: make stone(-like) objects with aid of 3d printers?
February 10, 2014 03:00PM
Epoxy granite
[reprap.org]
Re: make stone(-like) objects with aid of 3d printers?
February 10, 2014 07:44PM
Laybrick is filament with the stone powder mixed in already. You can get it here: [makergeeks.com]
I built a filament extruder and I'd be interested in experimenting with stone-filled filament, if it weren't for the fact that it's horribly abrasive and would probably polish the extruder smooth...
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